Sea To Summit Ether Light XT Extreme Sleeping Mat 6012-827

Sea To Summit Ether Light XT Extreme Sleeping Mat

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Show Description

Sleep comfortably on your winter adventures. Packed with two layers of ThermoLite® insulation, this extra-thick sleeping mat boosts warmth while staying lightweight and packable. A matrix of dot-patterned welds and air cells act independently, like a pocket-spring mattress, to conform to your body shape for a comfortable, stable sleep.

  • Quiet nylon face fabric is lightweight and grippy.
  • Air Sprung Cells with double-layered ThermoLite® insulation prevent heat loss.
  • Ultra-fresh antibacterial treatment prevents internal mold growth.
  • Multi-functional one-way inflate valve flips over to prevent air re-entering during deflation.
  • Regular Wide size is rectangular shaped. Large and Regular sizes are mummy shaped.
  • Includes pump sack, repair kit, and PillowLock™ for use with Aeros™ pillows.

Tech specs

Show Tech specs
  • 950g (Large)
  • 720g (Regular)
Ideal for
  • Winter and expedition camping
  • Backpacking
  • 198cm (Large)
  • 183cm (Regular)
  • 64cm (Large)
  • 55cm (Regular)
Thickness 10cm
R value (thermal resistance)

Measures insulative value. Higher values indicate more warmth: 1 to 3 are best for warm weather. 3 to 4 are best for 3-season use.4.5 or higher is best for winter.

Inflation method Pump

The number of average sized people that the product can comfortably sleep.

Type Inflatable pad
Insulation Synthetic
Shape Mummy
Top Fabric
  • 30-denier nylon
  • 40-denier nylon
Rolled length 28cm
Rolled diameter 18.5cm
Additional feature(s)
  • Stuff sack included
  • Pump sack included
  • Repair kit included
Made in Taiwan